- Definitions|3
- Thesaurus|532
- Abbreviations|0
6 entries under optional topic. ×
| optional(adjective, open, chance, choice, freedom) | |
| discretional(adjective, open, free, will, voluntary) | |
| elective(adjective, open, free, fit, choice) | |
| facultative(adjective, open, free, choice, voluntary) | |
| alternative(adjective, open, free, voluntary, elective) | |
| changeable |
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| APA | Smart Define. (2015). discretionary thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/discretionary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "discretionary thesaurus" https://smartdefine.org/discretionary/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, discretionary thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/discretionary/thesaurus/synonyms>. |
| MLA | Smart Define. "discretionary thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/discretionary/thesaurus/synonyms> |